Cell Biology

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    Protocols in Current Issue
    Measuring Cytosolic Translocation of Mycobacterium marinum in RAW264.7 Macrophages with a CCF4-AM FRET Assay
    Authors:  Javier Aguilera and Jianjun Sun, date: 04/20/2021, view: 1455, Q&A: 0
    [Abstract] The CCF4-AM Förster resonance energy transfer (FRET) assay is a sensitive approach to measure bacterial cytosolic translocation in live cells. The FRET pair hydroxycoumarin (donor) and fluorescein (acceptor) are linked by a CCF4-AM β-lactam ring, the substrate of β-lactamase. The exogenously added, neutral charged-FRET reagent can diffuse across ...
    Generating Three-dimensional Human Granulomas in vitro to Study Mycobacterium tuberculosis-host Interaction
    Authors:  Ainhoa Arbués, Michael Kammüller and Damien Portevin, date: 11/20/2020, view: 1458, Q&A: 0
    [Abstract] Granulomas are organized multicellular structures that constitute the hallmark of an infection by the human pathogen Mycobacterium tuberculosis (Mtb). A better understanding of the complex host-Mtb interactions within the granuloma’s environment may lead to new therapeutic or preventive tools to improve the control of the ...
    Zebrafish Bacterial Infection Assay to Study Host-Pathogen Interactions
    Authors:  Faiza Basheer, Clifford Liongue and Alister C Ward, date: 03/05/2020, view: 2348, Q&A: 0
    [Abstract] The study of host-pathogen interactions has improved our understanding of both pathogenesis and the response of the host to infection, including both innate and adaptive responses. Neutrophils and macrophages represent the first line of innate host defense against any infection. The zebrafish is an ideal model to study the response of these cells ...
    Gentamicin Protection Assay to Determine the Number of Intracellular Bacteria during Infection of Human TC7 Intestinal Epithelial Cells by Shigella flexneri
    Authors:  Atin Sharma and Andrea Puhar, date: 07/05/2019, view: 5587, Q&A: 0
    [Abstract] Shigella flexneri is an intracellular bacterial pathogen that gains access to the gut epithelium using a specialized Type III Secretion System (T3SS). Various determinants mediating this invasive infection have been experimentally verified using the classical gentamicin protection assay presented here. In this assay epithelial cell lines ...



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